21579584

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:763

約数の個数: 56

約数和(自身を含む): 47429928

約数和(自身を除く): 25850344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 701, 832, 962, 1184, 1402, 1924, 2368, 2804, 3848, 5608, 7696, 9113, 11216, 15392, 18226, 22432, 25937, 30784, 36452, 44864, 51874, 72904, 103748, 145808, 207496, 291616, 337181, 414992, 583232, 674362, 829984, 1348724, 1659968, 2697448, 5394896, 10789792, 21579584]

約数ペア:

[(1, 21579584), (2, 10789792), (4, 5394896), (8, 2697448), (13, 1659968), (16, 1348724), (26, 829984), (32, 674362), (37, 583232), (52, 414992), (64, 337181), (74, 291616), (104, 207496), (148, 145808), (208, 103748), (296, 72904), (416, 51874), (481, 44864), (592, 36452), (701, 30784), (832, 25937), (962, 22432), (1184, 18226), (1402, 15392), (1924, 11216), (2368, 9113), (2804, 7696), (3848, 5608)]